Multiple product fluid dispensing system

ABSTRACT

A multiple product gasoline dispensing pump with two multiple product gasoline delivery subsystems independently operable from opposite sides of the pump for selectively dispensing a plurality of different grades of gasoline and for computing the cost of the gasoline dispensed in accordance with the established unit volume price for the selected grade. A single-price programming unit comprising three rotary price decades for each grade is provided for both delivery subsystems for establishing and posting the unit volume prices. The price decades are coaxially mounted for rotation about a vertical axis and each comprises a number wheel with two numeral sequences of 0-9 providing for posting the unit volume prices on the opposite sides of the pump. The price decades have binary switches providing encoded signals of the established unit volume prices and are connected via a selector circuit for setting each delivery subsystem to compute the cost of gasoline dispensed in accordance with the established unit volume price for the selected grade.

14s; Feb. 1, 1972 MULTIPLE PRODUCT FLUID DISPENSING SYSTEM [57] ABSTRACTA multiple product gasoline dispensing pump with two multi- 72 Inventor:John a. Biclttord, Middletown, Conn. P Product gasoline deliverysubsystems independently operable from opposite sides of the pump forselectively [73] Assgnefi Vader lndusmes Hartford Comb dispensing aplurality of different grades of gasoline and for [22] Filed: Aug. 17,1970 computing the cost of the gasoline dispensed in accordance with theestablished unit volume price for the selected grade. Appl' 64302 Asingle-price programming unit comprising three rotary price decades foreach grade is provided for both delivery [52] US. Cl ..235/94, 222/26,235/61 M subsystems for establishing and posting the unit volume prices.[51] Int. Cl. ..B67d 5/22, 867d 5/06 The price decades are coaxiallymounted for rotation about a [58] Field of Search ..235/94, 61 M, 94 A;222/25, vertical axis and each comprises a number wheel with two nu- 14- 4 meral sequences of 0-9 providing for posting the unit volume priceson the opposite sides of the pump. The price decades References Cimdhave binary switches providing encoded signals of the established unitvolume prices and are connected via a selec- UNITED STATES PATENTS torcircuit for setting each delivery subsystem to compute the 2,858,04910/1958 Young et al. ..222/26 cost of gasoline dispensed in accordancewith the established 3,082,945 3/ 1963 Copony ....235/61 M unit volumeprice for the selected grade. 3,122,312 2/1964 Daniele ..235/61 MPrimary ExaminerRichard B. Wilkinson l6 Elaims, 3 Drawing FiguresAssistant Examiner-Stanley A. Wal AttarneyPrutzman, Hayes, Kalb &Chilton VOLUME s Eh W PRICE VARIATOR VARlATOR SELECTOR CIRCUIT msmcm 1m:

SHEET 1 BF 3 mUFE FmOU

BEE 6 1M &

Qm Em.

@HIE

mtmcom Inn SHEET 3 [IF 3 MULTIPLE PRODUCT FLUID DISPENSING SYSTEM BRIEFSUMMARY OF THE INVENTION The present invention relates generally tomultiple product fluid dispensing systems having notable utility indispensing a plurality of different grades of gasoline and relates moreparticularly to a multiple produce fluid-dispensing system having two ormore delivery subsystems independently operable for selectivelydispensing each of the available fluid products and for computing thecost of the fluid dispensed in accordance with the established unitvolume price for the selected fluid product.

It is a primary aim of the present invention to provide a new andimproved multiple product gasoline dispensing system having two or moredelivery subsystems independently operable for selectively dispensing aplurality of gasoline products and computing the cost of the gasolinedispensed in accordance with an established unit volume price and havinga single-price programming unit for preestablishing the unit volumeprices of the gasoline products and setting each delivery subsystem tocompute the cost of gasoline dispensed in accordance with thepreestablished unit volume price for the selected gasoline product.

It is another aim of the present invention to provide a new and improvedmultiple product fluid-dispensing pump having two independently operablefluid-dispensing systems.

It is a further aim of the present invention to provide a new andimproved price posting unit for a multiple product fluiddispensing pumpadapted for displaying the preestablished unit volume prices of theavailable fluid products on both sides of the pump.

It is a further aim of the present invention to provide a new andimproved multiple product fluid-dispensing system having two or moredelivery subsystems independently operable for selectively delivering aplurality of fluid products and for computing the cost of the fluiddispensed in accordance with a preestablished unit volume price for theselected fluid product.

It is another aim of the present invention to provide a new and improvedprice programming system for a multiple product fluid dispensing systemfor preestablishing the unit volume prices of the available fluidproducts and operable with two or more multiple product deliverysubsystems independently operable for selectively delivering theavailable fluid products for setting each delivery subsystem forcomputing the cost of fluid delivered in accordance with thepreestablished unit volume price of the selected fluid product.

Other objects will be in part obvious and in part pointed out more indetail hereinafter.

A better understanding of the invention will be obtained from thefollowing detailed description and the accompanying drawings ofillustrative applications of the invention.

BRIEF DESCRIPTION OF THE DRAWINGS In the drawings:

FIG. I is a generally schematic representation, partly broken away andpartly in section, of a multiple product gasoline dispensing pumpincorporating the present invention; and

FIGS. 2 and 3 are schematic representations, partly broken away, of twodifferent embodiments of a selector circuit of the multiple productgasoline dispensing pump of FIG. 1.

DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now in detail to thedrawings wherein like parts are designated by like numerals, a multipleproduct gasolinedispensing system incorporating an embodiment of thepresent invention is shown comprising two delivery subsystems 10,]1independently operable for selectively delivering a plurality ofdifferent grades of gasoline and for computing the cost of the gasolinedispensed in accordance with an established unit volume price. Eachdelivery subsystem 10,11 comprises a delivery control unit 12 having apair of motor driven pumps 14 for delivering separate grades of gasolineto a dispensing nozzle 16 via a pair of fuel meters 18, a proportioningvalve 20 and a pair of coaxial conduits 22,24. The output shafts 25 ofthe meters 18 are connected to a summation differential 26 to drivesuitable blend ratio gearing 28 in accordance with the total amount offuel dispensed. In a conventional manner, the rotation of the outputshaft 29 of blend gearing 28 is compared with the rotation of the outputshaft 25 of one of the meters 18 by a subtraction differential 30 tocontrol the proportioning valve 20 and thereby establish the blendproportions in accordance with the setting of the blend gearing 28.

The output of the summation differential 26 is also connected fordriving a suitable variator 32 and for driving a volume counter 34 forregistering the total volume of gasoline dispensed. The output 35 of thevariator 32 is connected for driving a cost counter 36 for registeringthe cost of gasoline dispensed in accordance with the volume of gasolinedispensed and a unit volume price within a three place price rangeestablished by the variator setting. Preferably the volume and costcounters 34,36 are resettable and are connected to be reset to zerobefore the commencement of each fuel delivery.

Three banks 37-39 of variator input leads are provided for setting thevariator, more particularly, for setting the variator for establishingthe three places respectively of the unit volume price. Each input leadbank 37-39 comprises four electrical leads which provide a BCD inputsignal of the established amount of the respective place of the unitvolume price. The variator 32 may, for example, be an electromechanicalvariator of the type shown and described in my copending US. Pat.application Ser. No. 868,070 filed Oct. 21, 1969 and entitled ComputingDevice" or, for example, be an electronic variator of the type disclosedin the commonly assigned US. Pat. application Ser. No. 64,337 filed Aug.17, 1970 of Reed H. Johnston and entitled Computing Device." Also, aprice indicator 42 operated by the three input lead banks 37-39 viasuitable decoder-driver circuits 44 may be provided for indicating theunit volume price at which the variator is set.

A product selector 62 having a rotatable product selector knob 64 isprovided for selecting each of the available grades of gasoline, fivegrades in the shown embodiment which, for example, may include each ofthe two separate grades of gasoline individually and three differentblends of the two grades of gasoline. The five position product selectorknob 64 is connected to the blend gearing 28 and proportioning valve 20for setting the delivery control unit 12 for delivering the selectedgrade of gasoline. The product selector knob 64 is also connected tooperate a price selector switch 66 for setting the variator (via thethree banks 37-39 of variator input leads) for computing the cost of thegasoline dispensed in accordance with a unit volume price preestablishedfor the selected product.

The two delivery subsystems 10,11 are mounted in the same pump housing70, for example as shown in FIG. 1, such that the two deliverysubsystems 10,11 may be operated from opposite faces or sides 72,73 ofthe pump housing 70. Thus, the selector 62, price indicator 42, andvolume and cost counters 34,36 of each subsystem 10,11 are located onthe same side of the pump housing 70and the corresponding deliverynozzle 16 may, as shown in FIG. 1, be stored in a storage receptacle 76located on the same side of the pump housing 70. Accordingly, the twomultiple product delivery subsystems 10,11 may be independently operatedfrom opposite sides of the pump.

A single price programming unit 80 is provided for both of the deliverysubsystems 10,11. The price programming unit 80 comprises five banks81-85 of rotary decades 86 for the five available grades of gasoline.Each decade bank 81-85 comprises three decades 86 for the three placesrespectively of the three place unit volume price range, and each decade86 comprises a relatively large 20-position number wheel 88 bearing twosets of the numeral sequence of -9 and asuitable binary switch (notshown) having output leads 90-93 such that the number wheel 88 settingcan be read at two diametrically opposed locations-on opposite sides ofthe pump housing 70 as shown in FIG. 1and the binary switch provides aBCD signal in output leads 90-93 corresponding to the number wheelreading. The binary switch may, for example, be a 20-position switch ofthe type shown in FIG. 6 of U.S. Pat. No. 3,445,636 of Joseph A.Richards entitled Single Wheel Counter Circuit." The four output leads90-93 of each switch have binary values of l, 2, 4 and 8 respectivelysuch that, for example, lead 90 would be energized when the number wheel88 is set at 1," lead 91 would be energized when the number wheel is setat 2," leads 90 and 91 would be energized when the number wheel is setat 3," etc. Each decade 86 may, for example, be set by manually rotatingthe numberwheel 88, and a suitable detent (not shown) may be providedfor retaining the wlieel in its set position.

The decade banks 81-85 are adapted to be set to preestablish the unitvolume prices of the five available grades of gasoline and the decadebanks are connected via a selector circuit 96 for separately settingeach variator 32 in accordance with the position of the correspondingproduct selector knob64.

All of the decades 86 of the price programmer 80 are coaxially mountedfor rotation about a vertical axis to provide a vertical stack of pricewheels 88 providing a visual indication of the preestablished prices ofthe available fuel products on both sides of the fuel pump. Also, theoperative price of each delivery subsystem 10,11 is preferably suitablyindicated as by an index 98 mounted on an endless belt 100 and adaptedto be positioned by the corresponding product selector knob 64 throughbevel gearing 102 and drive pulley 104.

One embodiment of a selector circuit 96 for separately setting eachvariator 32 in accordance with the position of the corresponding productselector knob 64 is shown in FIG. 2. In that embodiment the output leads90-93 of corresponding decades 86 are connected in parallel tocorresponding banks of selector leads 114-117, 118-121, and 122-125respectively as shown in part in FIG. 2. Corresponding decades 86 aresuitably isolated as by the provision of diodes 126 in the output leads90-93 to prevent feedback through inactive switches such that the BCDsignals in the selector leads 114-117, 118-121, and 122-125 for thethree places respectively of the unit volume price are dependent uponthe setting of the decades 86 of the active decade bank 81-85.

Each selector lead 114-125 is connected to a DC source via a suitableresistor 128 and the leads 114-125 are adapted to be selectivelygrounded or shorted by the active decades 86 to produce the BCD signalsfor setting the variators. More particularly, selector switch commons130,132 are alternately grounded by a suitable sequencing gate 134operated by a multivibrator 136 to provide for alternately producing BCDsignals in the units, tens, and hundreds leads 114-117, 118-121, and122-125 respectively in accordance with the settings of the decade banks81-85 activated by the price selector switches 66 of the two deliverysubsystems 10,11. Also, suitable control gates 138,140 are operated bythe sequencing gate 134 for alternately connecting the selector leads114-125 to the input leads of the two variators 32 for setting eachvariator 32 in accordance with the setting of the corresponding priceselector switch 66.

The BCD signals produced in the units, tens, and hundreds" output leads114-117, 118-121, and 122-125 respectively are therefore the BCDcomplements of the BCD signals produced by the active decades 86. Ofcourse, the binary switches of the decades 86 may be designed to producea complementary BCD signal of the number wheel position in which casethe selector leads 114-125 would provide straight BCD signalsoftheactive price. The complementary BCD signals would be useful in settingthe variator shown in the aforementioned U.S. Pat. application of ReedH. Johnston entitled Computing Device" and straight BCD signals would beuseful in setting the variator described in my aforementioned U.S. Pat.application Ser. No. 868,070.

The multivibrator 136 may, for example, have a frequency of 100 kHz.such that the programming unit 80 operates to repetitively set thevariators 32 on a time-sharing basis at a relatively high frequency. Inaddition if the variator 32 is designed to require a constant ratherthan an intermittent input signal to maintain the unit volume pricesetting of the variator, a suitable signal storage circuit 146 could beprovided as shown in FIG. 2 to store the BCDprice signals betweenpulses. 1

Referring to FIG. 3, another embodiment of a selector circuit 96 isshown in which the output leads 90-93 of the decade banks 81-85 areadapted to be selectively connected to the variator input leads. A bankof five gates 154 is provided for each variator 32 and the gates of eachbank are adapted to be selectively operated by the corresponding priceselector switch 66 so that each bank of decades 86 is adapted to beselectively connected for operating each variator in accordance with theposition of the corresponding price selector switch 66.

As will be apparent to persons skilled in the art, variousmodifications, adaptations andyariations of the foregoing specificdisclosure can be made without departing from the teachings of thepresent invention.

lclaim:

1. In a multiple product fluid-dispensing system having a plurality ofmultiple product delivery subsystems independently operable forselectively dispensing a plurality of fluid products, and presettablemeans presettable for preestablishing the unit volume price of each ofthe available fluid products; each delivery subsystem comprising a costaccumulator operable for accumulating the cost of fluid dispensed,settable variating means connected for operating the cost accumulator inaccordance with the volume of fluid dispensed by the subsystem and aunit volume price established by the setting of the variating means, andsetting means selectively operable for selectively setting the subsystemfor selectively dispensing the fluid products and for setting thevariating means and therefore the unit volume price in accordance withthe corresponding setting of the presettable means; the improvementwherein the presettable means comprises a plurality of encoders for theplurality of fluid products respectively each settable for producing acoded price signal of the unit volume price of the respective fluidproduct, and selector means for connecting the setting means of eachdelivery subsystem to the plurality of encoders for setting therespective variating means in accordance with the coded price signalcorresponding to the fluid product setting of the subsystem andindependently of the fluid product settings of the other subsystems.

2. In a multiple product fluid-dispensing system according to claim 1wherein the selector means comprises time-sharing means sequentiallyconnecting the setting means of the delivery subsystems for setting therespective variating means.

3. In a multiple product fluid-dispensing system according to claim 2wherein the selector means comprises signal storage means for eachdelivery subsystem for storing the coded price signal corresponding tothe fluid product setting of the subsystem and for continuouslyproviding the stored signal for setting the respective variating means.

4. In a multiple product fluid-dispensing system according to claim 1wherein each encoder is settable to produce a binary coded price signalof the unit volume price of the respective fluid product.

5. In a multiple product fluid-dispensing system according to claim 4wherein each encoder produces a plurality of binary signals of theamounts of a plurality of places respectively of a multiple place unitvolume price.

6. In a multiple product fluid-dispensing system according to claim 5wherein each encoder comprises a plurality of encoder decades for theplurality of places respectively of the multiple place unit volumeprice.

7. In a multiple product fluid-dispensing system according to claim 1wherein each encoder comprises a plurality of number wheels forproducing visual readouts of the amounts of a plurality of placesrespectively of a multiple place unit volume price.

8. In a multiple product fluid-dispensing system according to claim 7wherein the plurality of number wheels of each encoder are coaxiallymounted for rotation about a generally vertical axis and having two setsof the numeral indicia sequence of 0-9 for producing a visual readout ofthe multiple place unit volume price of the respective fluid product atdiametrically opposed locations of the wheels.

9. In a multiple product fluid-dispensing system according to claim 8wherein the number wheels of the plurality of encoders are coaxiallymounted for rotation about a single generally vertical axis.

10. In a multiple product pump having two multiple product fluiddelivery subsystems independently operable for selec tively dispensing aplurality of fluid products, and presettable means presettable forpreestablishing the unit volume price of each of the fluid products;each delivery subsystem comprising a cost accumulator operable foraccumulating the cost of fluid dispensed, settable variating meansconnected for operating the cost accumulator in accordance with thevolume of fluid dispensed by the subsystem and a unit volume priceestablished by the setting of the variating means, and setting meansselectively operable for selectively setting the subsystem forselectively dispensing the fluid products and for setting the variatingmeans and therefore the unit volume price in accordance with thecorresponding setting of the presettable means; the improvement whereinthe presettable means comprises a plurality of encoders for theplurality of fluid products respectively each settable for establishinga coded price signal of the unit volume price of the respective fluidproduct, and selector means for connecting the setting means of eachdelivery subsystem to the plurality of encoders v for setting therespective variating means in accordance with the coded price signalcorresponding to the fluid product setting of the subsystem andindependently of the fluid product setting of the other subsystem.

11. In a multiple product pump according to claim 10 wherein the pumpcomprises a pump housing and the two multiple product fluid deliverysubsystems are operable from respective opposite sides only of the pumphousing, wherein the cost accumulator of each subsystem provides a costreadout on the respective side only of the pump housing, and wherein thesetting means of each subsystem comprises a manually operable selectorknob mounted on the respective side of the pump housing.

l2. In a multiple product pump according to claim I] wherein eachencoder provides a multiple place unit volume price readout for therespective fluid on both of said opposite sides of the pump.

13. In a multiple product pump according to claim 10 wherein the pumpcomprises a pump housing and the two multiple product fluid deliverysubsystems are operable from respective opposite sides of the pumphousing, and wherein each encoder comprises a plurality of number wheelsfor producing visual readouts of the amounts of a plurality of placesrespectively of a multiple place unit volume price, the plurality ofnumber wheels of each encoder being coaxially mounted for rotation abouta generally vertical axis and having two sets of the numeral indiciasequence of 0-9 for producing two visual readouts of the multiple placeunit volume price at diametrically opposed locations on the wheels onsaid opposite sides of the housing.

14. In a multiple product pump according to claim 13 wherein the numberwheels of the plurality of encoders are coaxially mounted for rotationabout a single generally vertical axis.

15. A multiple product pump having a pump housing, two

multiple product fluid delivery subsystems independently meanspresettable for preestablishing a multiple place unit volume price ofeach of the fluid products; each delivery subsystem comprising a costaccumulator operable for accumulating the cost of fluid dispensed,settable variating means connected for operating the cost accumulator inaccordance with the volume of fluid dispensed by the subsystem and aunit volume price established by the setting of the variating means, andsetting means selectively operable for selectively setting the subsystemfor selectively dispensing the fluid products and for setting thevariating means and therefore the unit volume price in accordance withthe corresponding setting of the presettable means; the presettablemeans comprising a plurality of price wheel banks for the plurality offluid products respectively, each comprising a plurality of coaxialprice wheels mounted for rotation about a generally vertical axis andhaving two sets of the numeral indicia sequence of 0-9 for producingreadouts of the established multiple place unit volume price atdiametrically opposite locations on the wheels on said opposite sides ofthe pump housing.

16. A multiple product pump according to claim 15 wherein the pricewheels of the plurality of price wheel banks are mounted for rotationabout a single generally vertically extending axis.

1. In a multiple product fluid-dispensing system having a plurality ofmultiple product delivery subsystems independently operable forselectively dispensing a plurality of fluid products, and presettablemeans presettable for preestablishing the unit volume price of each ofthe available fluid products; each delivery subsystem comprising a costaccumulator operable for accumulating the cost of fluid dispensed,settable variating means connected for operating the cost accumulAtor inaccordance with the volume of fluid dispensed by the subsystem and aunit volume price established by the setting of the variating means, andsetting means selectively operable for selectively setting the subsystemfor selectively dispensing the fluid products and for setting thevariating means and therefore the unit volume price in accordance withthe corresponding setting of the presettable means; the improvementwherein the presettable means comprises a plurality of encoders for theplurality of fluid products respectively each settable for producing acoded price signal of the unit volume price of the respective fluidproduct, and selector means for connecting the setting means of eachdelivery subsystem to the plurality of encoders for setting therespective variating means in accordance with the coded price signalcorresponding to the fluid product setting of the subsystem andindependently of the fluid product settings of the other subsystems. 2.In a multiple product fluid-dispensing system according to claim 1wherein the selector means comprises time-sharing means sequentiallyconnecting the setting means of the delivery subsystems for setting therespective variating means.
 3. In a multiple product fluid-dispensingsystem according to claim 2 wherein the selector means comprises signalstorage means for each delivery subsystem for storing the coded pricesignal corresponding to the fluid product setting of the subsystem andfor continuously providing the stored signal for setting the respectivevariating means.
 4. In a multiple product fluid-dispensing systemaccording to claim 1 wherein each encoder is settable to produce abinary coded price signal of the unit volume price of the respectivefluid product.
 5. In a multiple product fluid-dispensing systemaccording to claim 4 wherein each encoder produces a plurality of binarysignals of the amounts of a plurality of places respectively of amultiple place unit volume price.
 6. In a multiple productfluid-dispensing system according to claim 5 wherein each encodercomprises a plurality of encoder decades for the plurality of placesrespectively of the multiple place unit volume price.
 7. In a multipleproduct fluid-dispensing system according to claim 1 wherein eachencoder comprises a plurality of number wheels for producing visualreadouts of the amounts of a plurality of places respectively of amultiple place unit volume price.
 8. In a multiple productfluid-dispensing system according to claim 7 wherein the plurality ofnumber wheels of each encoder are coaxially mounted for rotation about agenerally vertical axis and having two sets of the numeral indiciasequence of 0-9 for producing a visual readout of the multiple placeunit volume price of the respective fluid product at diametricallyopposed locations of the wheels.
 9. In a multiple productfluid-dispensing system according to claim 8 wherein the number wheelsof the plurality of encoders are coaxially mounted for rotation about asingle generally vertical axis.
 10. In a multiple product pump havingtwo multiple product fluid delivery subsystems independently operablefor selectively dispensing a plurality of fluid products, andpresettable means presettable for preestablishing the unit volume priceof each of the fluid products; each delivery subsystem comprising a costaccumulator operable for accumulating the cost of fluid dispensed,settable variating means connected for operating the cost accumulator inaccordance with the volume of fluid dispensed by the subsystem and aunit volume price established by the setting of the variating means, andsetting means selectively operable for selectively setting the subsystemfor selectively dispensing the fluid products and for setting thevariating means and therefore the unit volume price in accordance withthe corresponding setting of the presettable means; the improvementwherein the presettable means comprises a plurality of encoders for theplurality of fluiD products respectively each settable for establishinga coded price signal of the unit volume price of the respective fluidproduct, and selector means for connecting the setting means of eachdelivery subsystem to the plurality of encoders for setting therespective variating means in accordance with the coded price signalcorresponding to the fluid product setting of the subsystem andindependently of the fluid product setting of the other subsystem. 11.In a multiple product pump according to claim 10 wherein the pumpcomprises a pump housing and the two multiple product fluid deliverysubsystems are operable from respective opposite sides only of the pumphousing, wherein the cost accumulator of each subsystem provides a costreadout on the respective side only of the pump housing, and wherein thesetting means of each subsystem comprises a manually operable selectorknob mounted on the respective side of the pump housing.
 12. In amultiple product pump according to claim 11 wherein each encoderprovides a multiple place unit volume price readout for the respectivefluid on both of said opposite sides of the pump.
 13. In a multipleproduct pump according to claim 10 wherein the pump comprises a pumphousing and the two multiple product fluid delivery subsystems areoperable from respective opposite sides of the pump housing, and whereineach encoder comprises a plurality of number wheels for producing visualreadouts of the amounts of a plurality of places respectively of amultiple place unit volume price, the plurality of number wheels of eachencoder being coaxially mounted for rotation about a generally verticalaxis and having two sets of the numeral indicia sequence of 0-9 forproducing two visual readouts of the multiple place unit volume price atdiametrically opposed locations on the wheels on said opposite sides ofthe housing.
 14. In a multiple product pump according to claim 13wherein the number wheels of the plurality of encoders are coaxiallymounted for rotation about a single generally vertical axis.
 15. Amultiple product pump having a pump housing, two multiple product fluiddelivery subsystems independently operable from opposite sides of thepump housing for selectively dispensing a plurality of fluid products,and presettable means presettable for preestablishing a multiple placeunit volume price of each of the fluid products; each delivery subsystemcomprising a cost accumulator operable for accumulating the cost offluid dispensed, settable variating means connected for operating thecost accumulator in accordance with the volume of fluid dispensed by thesubsystem and a unit volume price established by the setting of thevariating means, and setting means selectively operable for selectivelysetting the subsystem for selectively dispensing the fluid products andfor setting the variating means and therefore the unit volume price inaccordance with the corresponding setting of the presettable means; thepresettable means comprising a plurality of price wheel banks for theplurality of fluid products respectively, each comprising a plurality ofcoaxial price wheels mounted for rotation about a generally verticalaxis and having two sets of the numeral indicia sequence of 0-9 forproducing readouts of the established multiple place unit volume priceat diametrically opposite locations on the wheels on said opposite sidesof the pump housing.
 16. A multiple product pump according to claim 15wherein the price wheels of the plurality of price wheel banks aremounted for rotation about a single generally vertically extending axis.